Write Weekly Digest

Workflow

Compose digest:
- [ ] Step 1: Load ranked keep list + drop list
- [ ] Step 2: Fill frontmatter
- [ ] Step 3: Render top-signals section (≤10 items)
- [ ] Step 4: Render explicit-drops section
- [ ] Step 5: Render appendix (every source surveyed + freshness state)
- [ ] Step 6: Voice-profile lint: no banned vocabulary; one-sentence paragraphs at pivots
- [ ] Step 7: Write ops/trend-scout/YYYY-WW-digest.md

Output format